This flexplate is a must have for 47RE/48RE/A618 multi-clutch converters, and bolts up to most Cummins Engines. Our 47RE/48RE/A618 flexplate can handle any towing, drag racing or daily driver needs. Featured in Transmission Digest our 47RE/48RE/A618 flexplate is made from billet steel, plated, and SFI certified. The SFI certification will become active at date of purchase. This upgraded flexplate is built to resist the common factory issue of cracking at the crankshaft. Meets SFI 29.3.